Hold the power button down for about 8 secs - a number of test patterns are displayed in sequence.
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Hold the power button down for about 8 secs - a number of test patterns are displayed in sequence.
It only does it from powerup, i.e. start with it off.press & hold the button, keep it pressed after it comes on for about 10 secs until test pattern starts.
Tried everything.Still no test patterns
1. On power up > 10s.
2. Removed and replaced power supply, held power button >10s.
3. On power down > 10s
Anything more to do?